KIN 217

Question 1

Flexor carpi radialis

Answer 1

O: medial epicondyle of humerus
I: bases of 2nd and 3rd metacarpals
A: flexion, abduction

Question 2

Flexor carpi ulnaris

Answer 2

O: humeral head-medial epicondyle, Ulnar head-olecranon process
I: pisiform, hook of hamate, base of 5th metacarpal
A: flexion, adduction

Question 3

flexor digitorum superficialis

Answer 3

O: humeroulnar head-medial epicondyle & coronoid process, radial head-anterior surface of radius
I: middle phalanges of digits 2-5
A: flexion
(Anterior)

Question 4

palmaris longus

Answer 4

O: medial epicondyle of humerus
I: palmar aponeurosis
A: flexion

Question 5

extensor carpi radialis longus

Answer 5

O: lower 1/3 of lateral supracondylar ridge of humerus
I: base of 2nd metacarpal
A: extension, abduction

Question 6

extensor carpi radialis brevis

Answer 6

O: lateral epicondyle of humerus
I: 3rd metacarpal
A: extension, abduction

Question 7

extensor carpi ulnaris

Answer 7

O: lateral epicondyle of humerus
I: base of 5th metacarpal
A: extension, adduction

Question 8

extensor digitorum

Answer 8

O: lateral epicondyle of humerus
I: all phalanges of digits 2-5
A: extension

Question 9

flexor digitorum superficialis

Answer 9

O: humeroulnar head-medial epicondyle & coronoid process, radial head-anterior surface of radius
I: middle phalanges of digits 2-5 (anterior)
A: finger flexion

Question 10

flexor digitorum profundus

Answer 10

O: upper 3/4 of ulna (anterior & medial), coronoid process of ulna
I: distal phalanges of digits 2-5 (anterior)
A: finger flexion

Question 11

extensor digitorum

Answer 11

O: lateral epicondyle of humerus
I: all phalanges of digits 2-5 (posterior)
A: finger extension

Question 12

flexor pollicis longus

Answer 12

O: middle radius (anterior), medial epicondyle of humerus
I: distal phalanx of pollex (anterior)
A: Thumb flexion

Question 13

flexor pollicis brevis

Answer 13

O: trapezium, 1st metacarpal
I: proximal phalanx of pollex (anterior)
A: Thumb flexion

Question 14

extensor pollicis longus

Answer 14

O: middle 1/3 of ulna (posterior)
I: distal phalanx of pollex (posterior)
A: Thumb extension

Question 15

extensor pollicis brevis

Answer 15

O: posterior surface of radius
I: proximal phalax of pollex (posterior)
A: Thumb extension

Question 16

abductor pollicis longus

Answer 16

O: posterior surface of radius, posterior surfaces of ulna
I: base of 1st metacarpal
A: Thumb extension, thumb abduction

Question 17

abductor pollicis brevis

Answer 17

O: scaphoid and trapezium
I: proximal phalax of pollex (lateral)
A: thumb abduction

Question 18

adductor pollicis

Answer 18

O: 2nd and 3rd metacarpals, capitate, trapezoid
I: proximal phalanx of pollex (medial)
A: thumb adduction

Question 19

biceps brachii

Answer 19

O: long head- supraglenoid tubercle of scapula, short hea- coracoid process of scapula
I: radial tuberosity
A: flexion, supination

Question 20

brachialis

Answer 20

O: lower 1/2 of humerus (anterior)
I: coronoid process of ulna
A: flexion

Question 21

brachioradialis

Answer 21

O: upper 2/3 of lateral supracondylar ridge of humerus
I: styloid process of radius
A: flexion

Question 22

pronator teres

Answer 22

O: humeral head-medial epicondyle & medial supracondylar ridge, ulnar head- coronoid process
I: middle of radius (lateral)
A: pronation

Question 23

pronator quadratus

Answer 23

O: lower 1/4 of ulna (anterior)
I: lower 1/4 of radius (anterior)
A: pronation

Question 24

triceps brachii

Answer 24

O: long head-infraglenoid tubercle of scapula, medial head- lower 1/2 of humerus (posterior), lateral head- upper 1/2 of humerus (posterior)
I: olecranon process of ulna
A: extension

Question 25

supinator

Answer 25

O: lateral epicondyle of humerus, crest of ulna I: upper 1/3 of radius (post. & ant.) A: supination

Question 26

anterior deltoid

Answer 26

O: lateral 1/3 of clavicle I: deltoid tuberosity of humerus A: flexion, horizontal flexion

Question 27

middle deltoid

Answer 27

O: acromion process of scapula I: deltoid tuberosity of humerus A: abduction, horizontal extension

Question 28

posterior deltoid

Answer 28

O: spine of scapula I: deltoid tuberosity of humerus A: extension, horizontal extension

Question 29

pectoralis major

Answer 29

O: clavicular part-medial 1/2 of clavicle, sternal part- sternum & first 6 costal cartilages I: bicipital groove of humerus A: clavicular- flexion, horizontal flexion A: sternal- extension, adduction, horizontal flexion

Question 30

coracobrachialis

Answer 30

O: coracoid process of scapula I: middle third of humerus A: horizontal flexion

Question 31

latissimus dorsi

Answer 31

O: lower vertebrae, lower ribs, iliac crest I: bicipital groove of humerus A: extension, adduction,

Question 32

teres major

Answer 32

O: axillary border of scapula lower 1/3 I: bicipital groove of humerus A: extension, adduction, inward rotation

Question 33

biceps brachii

Answer 33

O: long head- supraglenoid tubercle of scapula, short head-coracoid process of scapula I: radial tuberosity A: long head-none A: short head- flexion

Question 34

triceps brachii

Answer 34

O: long head- infraglenoid tubercle of scapula, medial head- lower 1/2 of humerus (posterior), lateral head- upper 1/2 of humerus (posterior) I: olecranon process of ulna A: long head- extension

Question 35

subscapularis

Answer 35

O: subscapular fossa of scapula I: lesser tubercle of humerus A: inward rotation

Question 36

teres minor

Answer 36

O: axillary border of scapula; upper 2/3 I: greater tubercle of humerus A: outward rotation, horizontal extension

Question 37

infraspinatus

Answer 37

O: infraspinous fossa of scapula I: greater tubercle of humerus A: outward rotation, horizontal extension

Question 38

supraspinatus

Answer 38

O: supraspinous fossa of scapula I: greater tubercle of humerus A: abduction

Question 39

pectoralis minor

Answer 39

O: 3rd-5th ribs I: coracoid process of scapula A: depression, abduction, downward rotation

Question 40

serratus anterior

Answer 40

O: first 9 ribs I: vertebral border of scapula A: abduction, upward rotation

Question 41

trapezius

Answer 41

O: external occipital protuberance ( C7-T12) I: lateral 1/3 of clavicle, acromion process of scapula, spine of scapula A: elevation, depression, adduction, upward rotation

Question 42

levator scapulae

Answer 42

O: transverse processes of C1-C4 I: vertebral border of scapula above spine A: elevation

Question 43

rhomboid major

Answer 43

O: spinous processes of T2-T5 I: vertebral border of scapula below spine A: elevation, adduction, downward rotation

Question 44

rhomboid minor

Answer 44

O: spinous processes of C7-T1 I: vertebral border of scapula at the spine A: elevation, adduction